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bubble_match

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A matching language for matching queries against token-based natural language input. Like Regular Expressions, but for for natural language.

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bubble_match lib bubble_match dsl_struct.ex
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lib/bubble_match/dsl_struct.ex 

defmodule BubbleMatch.DslStruct do

  @moduledoc false



  defmacro __using__(struct) do

    str_fields = struct |> Keyword.keys() |> Enum.map(&to_string/1)



    quote do

      defstruct unquote(struct)



      @str_fields unquote(str_fields)



      @behaviour Access



      @impl Access

      def fetch(term, key) when key in unquote(str_fields) do

        fetch(term, String.to_atom(key))

      end



      def fetch(term, key) do

        Map.fetch(term, key)

      end



      defoverridable fetch: 2



      @impl Access

      defdelegate get_and_update(a, b, c), to: Map



      @impl Access

      defdelegate pop(a, b), to: Map

    end

  end

end